The International Language: English There is no denying that English is a useful language．The people who speak English today make up the largest speech ．______1 in the world with the exception of speakers of Mandarin Chinese． Originally they were small tribes of people living in northern Europe who left their homeland and _______2 in England． Isolated in their island community, the various tribes used languages which became more and more similar to each other and less and less like the other languages of Europe．Eventually, the language had _______3 uniformity to be used by all speakers in England． The people united into a speech community through their_______4 language．In time, people moved from the small island to many parts of the _______5 , taking their language with them and thus still remaining members of the English speech community_______6 they settled. We may say that anyone who speaks English_______7 to the English community. _______8convenience, we may _______9the speakers into two groups: one in which the speakers use English as their native_______10 , the other in which the speakers learn English as a second language for the purpose of education, commerce, and so on．In the _______11 group we, obviously, would include England, Canada, the U．S．, Australia and New Zealand． Naturally, not all people in these countries speak English_______12 , but a large majority_______13 ．In the latter group we would include, among many others, India, Denmark, Burma, Turkey, Ethiopia, and the Philippines． Not all these countries use English for the same purpose or_______14 the same extent, but_______15 uses English for important social and commerce activities. 第 51 题 请选择（1）处的最佳答案．